chore(aws-cdk-lib): enable eslint (aws#25515)

`aws-cdk-lib` had eslint disabled because the code was copied over from other locations.
However since the repository restructure, this is the source of truth and we should properly lint it.

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: mrgrain

packages/@aws-cdk-testing/framework-integ/test/aws-codepipeline-actions/test/integ.pipeilne-elastic-beanstalk-deploy.js.snapshot/aws-cdk-codepipeline-elastic-beanstalk-deploy.assets.json

@@ -14,15 +14,15 @@
         }
       }
     },
-    "68b22621fff135f9e3f225bad7ff80fdf2f45c3d9910af601206a0d9b279933a": {
+    "6a28458f7bc3d04e4d2b17f9c3da0709bf456e34b06ea7c96111eecb2fddd054": {
       "source": {
-        "path": "asset.68b22621fff135f9e3f225bad7ff80fdf2f45c3d9910af601206a0d9b279933a.zip",
+        "path": "asset.6a28458f7bc3d04e4d2b17f9c3da0709bf456e34b06ea7c96111eecb2fddd054.zip",
         "packaging": "file"
       },
       "destinations": {
         "current_account-current_region": {
           "bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
-          "objectKey": "68b22621fff135f9e3f225bad7ff80fdf2f45c3d9910af601206a0d9b279933a.zip",
+          "objectKey": "6a28458f7bc3d04e4d2b17f9c3da0709bf456e34b06ea7c96111eecb2fddd054.zip",
           "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
         }
       }
@@ -53,15 +53,15 @@
         }
       }
     },
-    "700b33b613fbd899489f08c591ff8e002d433573bc48eca4a106e66109f3087f": {
+    "533487c9e5a2cc1009e664662485074855ae58bca4728d59bdebc81acf8e7e3b": {
       "source": {
         "path": "aws-cdk-codepipeline-elastic-beanstalk-deploy.template.json",
         "packaging": "file"
       },
       "destinations": {
         "current_account-current_region": {
           "bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
-          "objectKey": "700b33b613fbd899489f08c591ff8e002d433573bc48eca4a106e66109f3087f.json",
+          "objectKey": "533487c9e5a2cc1009e664662485074855ae58bca4728d59bdebc81acf8e7e3b.json",
           "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
         }
       }

packages/@aws-cdk-testing/framework-integ/test/aws-codepipeline-actions/test/integ.pipeilne-elastic-beanstalk-deploy.js.snapshot/aws-cdk-codepipeline-elastic-beanstalk-deploy.template.json

@@ -155,7 +155,7 @@
      "S3Bucket": {
       "Fn::Sub": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}"
      },
-     "S3Key": "68b22621fff135f9e3f225bad7ff80fdf2f45c3d9910af601206a0d9b279933a.zip"
+     "S3Key": "6a28458f7bc3d04e4d2b17f9c3da0709bf456e34b06ea7c96111eecb2fddd054.zip"
     },
     "Description": "/opt/awscli/aws"
    }
@@ -440,7 +440,7 @@
       "Value": "AWSServiceRoleForElasticBeanstalkManagedUpdates"
      }
     ],
-    "SolutionStackName": "64bit Amazon Linux 2 v5.5.6 running Node.js 16"
+    "SolutionStackName": "64bit Amazon Linux 2 v5.8.1 running Node.js 16"
    },
    "DependsOn": [
     "beastalkapp",
@@ -784,7 +784,18 @@
      "Version": "2012-10-17"
     },
     "ManagedPolicyArns": [
-     "arn:aws:iam::aws:policy/AdministratorAccess-AWSElasticBeanstalk"
+     {
+      "Fn::Join": [
+       "",
+       [
+        "arn:",
+        {
+         "Ref": "AWS::Partition"
+        },
+        ":iam::aws:policy/AdministratorAccess-AWSElasticBeanstalk"
+       ]
+      ]
+     }
     ]
    }
   },